LeetCode: Reversing Integers with JavaScript
Reverse integers in JavaScript with sign handling, overflow checks, TypeScript examples, and the trade‑offs between string and maths approaches.
Articles
Guides, page 12 of 20
The guides are the practical part of this archive: working explanations for a specific web development problem, written to show the decision as well as the answer. The subject varies, but the aim is consistent: enough context to use the technique sensibly rather than copy it blindly.
LeetCode: Reversing Integers with JavaScript. 
Using the filter() Method in JavaScript. Using the
filter()Method in JavaScriptUse JavaScript filter() to create arrays of matching items, with callback syntax, object filtering examples, readable predicates, and practical tips.
Manipulating Strings in JavaScript with split(). Manipulating Strings in JavaScript with
split()Use JavaScript split() for string manipulation, including delimiters, limits, regular expressions, edge cases, parsing, and practical data handling.
JavaScript String Manipulation: substring() vs. substr(). JavaScript String Manipulation:
substring()vs.substr()A practical guide to JavaScript `substring()` and `substr()`, including indexes, lengths, swapped arguments, browser support, and which one to use.
Solving the LeetCode Two Sum Problem Using JavaScript. Solving the LeetCode Two Sum Problem Using JavaScript
Solve the Two Sum problem efficiently in JavaScript with Hash Map or Two Pointers. Learn how to find pairs of numbers that sum up to a given target.
Mastering JavaScript's slice(). Mastering JavaScript's
slice()Explore the capabilities of JavaScript's Array.prototype.slice() for creating subarrays, cloning arrays, and more, with no changes to the original.
Understanding JavaScript's sort() Method. Understanding JavaScript's
sort()MethodUnderstand JavaScript's sort() method, including in‑place mutation, string defaults, numeric comparators, object sorting, and unexpected ordering behaviour.
Using the Modulo Operator in JavaScript. Using the Modulo Operator in JavaScript
A discussion about the JavaScript modulo operator, its functionality, origins, and diverse applications in web dev, including arithmetic and complex algorithms.
What A Levels Do You Need for Software Engineering? What A Levels Do You Need for Software Engineering?
What A Levels help most for software engineering in the UK? This guide covers Maths, where Computer Science helps, and routes beyond a perfect set.
Why Remote Work Did Not Make Brighton Web Developers Less Local. Why Remote Work Did Not Make Brighton Web Developers Less Local
Remote work changed how Brighton web developers collaborate, build trust, support clients, and use local expertise without being limited by geography.
Higher‑Order Functions in JavaScript. Higher‑Order Functions in JavaScript
Higher‑order functions in JavaScript take functions as arguments or return them. Here, I explore their benefits, common use cases, and practical examples.
The Safest Way to Test for NaN in JavaScript. The Safest Way to Test for NaN in JavaScript
Why equality, typeof and global isNaN() are unreliable JavaScript NaN checks, and when Number.isNaN() provides a safer modern alternative in practice.
Local SEO is a Technical Problem Too. Local SEO is a Technical Problem Too
Local SEO is a technical problem too, covering crawlable content, structured pages, performance, metadata, internal links, and reliable local signals.
What is a Distributed Denial of Service (DDoS) Attack? What is a Distributed Denial of Service (DDoS) Attack?
Learn how DDoS attacks overwhelm services with distributed botnet traffic, why they are hard to block and which mitigations can reduce the risk.
Can I Learn Front‑End Development in 2 Months? Can I Learn Front‑End Development in 2 Months?
Can you learn front‑end development in 2 months? Yes for fundamentals and small projects, no for mastery. Here is what eight focused weeks can realistically do.
Where to Find Jobs in Web Development. Where to Find Jobs in Web Development
Find web development jobs through job boards, aggregators, social networking, cold outreach, freelance routes, contract listings, and better search habits.
LocalStorage in JavaScript. localStoragein JavaScriptWith HTML5, new storage APIs became available that allow us to store small amounts of non‑essential data on the client‑side without needing cookies.
Semantic HTML. Semantic HTML
Semantic HTML explained through meaningful elements, HTML5 structure, header, nav, footer, section, figure, accessibility, and more understandable markup.
